#include<stdio.h>
#include "cpu.h"    //用引号来引用自己写的.h文件


int main(){
    cpu.rax=0x1234abcd5678ffaa;
    printf("eax: %08x\n",cpu.eax);
    printf("ax: %04x\n",cpu.ax);
    printf("al: %02x\n",cpu.al);
    printf("ah: %02x\n",cpu.ah);
    return 0;
}